Finite Group Databasebeta

C7×Dic231 #20266331

order6468
automorphism?
homologyAbelianization (H1) = C4×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×Dic231
unambiguous semidirect productC3⋊(C7×Dic77)
unambiguous semidirect productC7⋊(C7×Dic33)
unambiguous semidirect productC11⋊(C7×Dic21)

Splittings

derivedC3×C7×C11 ⋊ C4×C7
HallC3×C72×C11 ⋊ C4
HallC72×C11 ⋊ Dic3
HallC3×C72 ⋊ Dic11
SylowC72 ⋊ Dic33
HallC3×C11 ⋊ C7×Dic7
SylowC11 ⋊ C7×Dic21
SylowC3 ⋊ C7×Dic77

Subgroups

subgroupG/H
center, hypercenterC2×C7D231
commutator, hypocenterC3×C7×C11C4×C7
FrattiniC2C7×D231
Fitting, socleC2×C3×C72×C11C2
LCSG ▷ C3×C7×C11
UCSC1 ◁ C2×C7

72 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

1638 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC11⋊#13183527, C7×Dic693, C7×C3⋊(C11⋊(ΓL(1,𝔽8)⋊C4)), …
maximal normal subgroup ofC7×C3⋊(C11⋊(ΓL(1,𝔽8)⋊C4)), C3⋊(C11⋊#10596873), C3⋊(C11⋊#10596872), …
maximal quotient ofC7×Dic693, C3×C7×Dic231, C7×C3⋊Dic231, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(6468, 66);